Inventor
HASEGAWA HIROFUMI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CAMERA KK
28 patentsUS5057868AOct 15, 1991
Developing apparatus having a sealing construction for preventing a toner leakage
MINOLTA CAMERA KK57 citations96
US4972236ANov 20, 1990
Compact image forming apparatus for double-sided and composite copying
MINOLTA CAMERA KK69 citations96
US5150167ASep 22, 1992
Image forming apparatus
MINOLTA CAMERA KK66 citations95
US5048106ASep 10, 1991
Image reader
MINOLTA CAMERA KK22 citations93
US5221943AJun 22, 1993
Image forming apparatus
MINOLTA CAMERA KK49 citations92
US4945390AJul 31, 1990
Image-forming apparatus
MINOLTA CAMERA KK49 citations92
US4751376AJun 14, 1988
Image reader with focus and magnification detection control
MINOLTA CAMERA KK48 citations92
US5343223AAug 30, 1994
Image forming apparatus
MINOLTA CAMERA KK27 citations91
US5253028AOct 12, 1993
Image forming apparatus having a plurality of vertically stacked image forming units and providing easily conducted jam clearing and maintenance
MINOLTA CAMERA KK42 citations91
US5162845ANov 10, 1992
Image forming apparatus
MINOLTA CAMERA KK42 citations91
US4870294ASep 26, 1989
Image scanning apparatus with expanded magnification capability
MINOLTA CAMERA KK22 citations82
US5243390ASep 7, 1993
Device for conveying developer in a developing device
MINOLTA CAMERA KK16 citations74
US5153645AOct 6, 1992
Position indexing indicators for editing an image forming apparatus
MINOLTA CAMERA KK9 citations74
US5150166ASep 22, 1992
Image forming system including attachable sheet supplying units for transporting sheets directly to an image forming part
MINOLTA CAMERA KK12 citations74
US5084760AJan 28, 1992
Copying machine providing copy paper corresponding to read image area
MINOLTA CAMERA KK11 citations74
US5051757ASep 24, 1991
Optical scanning with cylindrical lens and beam slit
MINOLTA CAMERA KK8 citations74
US5017961AMay 21, 1991
Image forming apparatus with use of a laser beam
MINOLTA CAMERA KK7 citations74
US5006934AApr 9, 1991
Copying machine capable of storing image data
MINOLTA CAMERA KK8 citations74
US4982205AJan 1, 1991
Laser beam scanner in which the line scan time is maintained constant by decreasing the rotating speed of a scanning element as the number of reflective facets thereon increases
MINOLTA CAMERA KK15 citations74
US4978977ADec 18, 1990
Laser scanner with conjugate condition lens
MINOLTA CAMERA KK10 citations74
US4974921ADec 4, 1990
Light beam scanning apparatus
MINOLTA CAMERA KK13 citations74
US4922087AMay 1, 1990
Image reader capable of calculating the real focal length of a projecting lens
MINOLTA CAMERA KK18 citations74
US5047805ASep 10, 1991
Developing device having a space for receiving and increasing pressure of toner received therein
MINOLTA CAMERA KK7 citations73
US4837846AJun 6, 1989
Method of the image processing
MINOLTA CAMERA KK16 citations73
US5025286AJun 18, 1991
Laser beam image forming apparatus with SOS Detection
MINOLTA CAMERA KK2 citations63
US4924269AMay 8, 1990
Original illuminating apparatus
MINOLTA CAMERA KK4 citations63
US4965870AOct 23, 1990
Image forming apparatus with use of a laser beam
MINOLTA CAMERA KK0 citations52
US4916480AApr 10, 1990
Image forming apparatus with use of a laser beam
MINOLTA CAMERA KK0 citations52